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1. Can we satisfactorily estimate variation in krill abundance?

   from data reported to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ... fishery induced variation. The timescale for such information is discussed in the light of the needs of ... Paper Title:  Can we satisfactorily estimate variation in krill abundance? Abstract / Description ... :  Knowledge of abundance and rates of change of abundance are basic requirements for fisheries models. Catch ... reported to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) does not ... variation. The timescale for such information is discussed in the light of the needs of fishery management ... SATISFACTORILY ESTIMATE VARIATION IN KRILL ABUNDANCE?* I. Everson1 (United Kingdom) Abstract Knowledge of ... effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 375-376 : Автор(ы): Everson, I.

2. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

   precautionary catch limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies an ... application in future of precautionary limits to subareas or local areas of this area. Nine alternative ... ) the degree to which information on biological relationships is considered; (ii) the cost of data ... collection; (iii) the reliability of required information; (iv) the ease of enforcement; (v) the effects on ... (Euphausia superba) in Statistical Area 48. The measure also implies an application in future of ... November, 1991, the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) adopted ... distribution of fishing effort and in the amount of discretion given to the fishing vessels. Schemes that ... about alternative methods of allocating the 1.5 million tonne precautionary catch limit in Statistical ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Автор(ы): Watters, G. and R.P. Hewitt

3. Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption

   fish species in Antarctic waters. The aim of this study is to collect information on the feeding ... patterns of several commercially non-targeted species in the Indian Ocean sector of the Southern Ocean ... food consumption Abstract / Description:  Little is known about the feeding patterns of non-commercial ... concentrated on analysing the food composition of these species to find out their daily diet. One 36-hour ... 2 shows consecutive changes in the mean stomach fullness index, mean body weight and the amount of ... average amount of consumption for the waters of eastern Antarctica, which has a mean biomass density in ... * * Abstract Little is known about the feeding patterns of non-commercial fish species in Antarctic waters ... -targetted species in the Indian Ocean sector of the Southern Ocean: Nototheniidae (four species ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Автор(ы): Pakhomov, Y.A. and V.B. Tseitlin

4. Scientific observations in CCAMLR fisheries – past, present and future

   -independent studies are difficult and expensive to conduct. In addition, the size of the Convention Area, its ... observers on board fishing vessels has assumed prominence in the collection of essential data for fisheries ... management purposes. The Scheme of International Scientific Observation, adopted by CCAMLR in 1992, is ... own country. This paper outlines the history of the scheme in terms of its logistics, participation ... responsible for the conservation of Antarctic marine living resources, including their rational use, in ... minimisation of the incidental mortality of seabird associated with fi shing are contained in Conservation ... Sea, in the Pacifi c Ocean sector of the Southern Ocean (see Conservation Measure 41-01 (2004 ... evaluation of the effectiveness of conservation measures in meeting their objectives. The scheme’s ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Автор(ы): Sabourenkov, E.N. and E. Appleyard

5. Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)

   / Description:  The results of fishing cruises carried out from 1986/87 to 1988/89 in Division 58.5.1 (Kerguelen ... average annual growth of 36% has been noted in the abundance of the juvenile section of the stock of ... research cruises. The abundant 1985 cohort of  Champsocephalus gunnari appeared in the shelf stock and it ... reached legal catch size. The value of the selected abundance index (catch per unit effort expressed in ... the implementation of some conservation measures. In particular, a low level of fishing effort would ... conservation measures does not, however, always allow the recovery of the stock, particularly in the case of N ... modification of catch sizes and conservation measures in force. The N. rossii stock will require maximal ... /87 to 1988/89 in Division 58.5.1 (Kerguelen Island) have made possible a review of the status of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Автор(ы): Duhamel, G.

6. Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica

   detected in one sample with the RB test, and in five of the 86 samples (5.8%) using the c-ELISA test. These ... results present serological evidence of Brucella infection in A. gazella. We suggest the utility of extra ... marine mammals. We highlight the importance of evaluating in the CCAMLR Working Group on Ecosystem ... Shirreff, Livingston Island, Antarctica Abstract / Description:  The first instance of anti-Brucella ... instance of anti-Bvz~celln antibodies in the Southern Hemisphere was recorded in two pinniped species from ... Bvucelln spp. were detected in one sample with the RB test, and in five of the 86 samples (5.8%) using the ... is probably found worldwide in marine mammals. We highlight the importance of evaluating in the ... instance of anti-Bn~cella antibodies in the Southern Hemisphere was recorded in two pinniped species from ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Автор(ы): Blank, O., P. Retamal, P. Abalos and D. Torres

7. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

   acoustic surveys of Antarctic krill (Euphausia superba) were conducted around South Georgia in the 2000/01 ... March 2001 (late-season). The surveys were the first in a newly planned five-year series of observations ... in the eastern box (80.4 g m-2). Analysis of transect data obtained in the western box in the ... survey box off the central north coast of South Georgia in midseason revealed a krill density of 47.2 g m ... ). Analysis of transect data obtained in the western box in the mid- season survey revealed no signifi cant ... the eastern and western areas. The size structure of the krill in the central region also refl ected ... southwest of South Georgia was 32.1 g m-2 in mid-season. By March, krill density in the western survey ... -shot’ acoustic survey data have allowed. This is a crucial step in the elucidation of response ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Автор(ы): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

8. Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001

   further analysis of SST maps, provides continuous information on hydrological conditions in the area ... conducting a krill fishery in the area during the entire year. The reliability of these forecasts could be ... in the area. The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 tonnes in 1990/91 ... considerable decrease in mean SST off South Georgia. This observation is especially obvious for the northern ... in waters off South Georgia. Thus, in 1990/91 the mean December–February value of the SST anomaly ... of SST maps, provides continuous information on hydrological conditions in the area. Analyses of ... conducting a krill fi shery in the area during the entire year. The reliability of these forecasts could be ... fi shing activities in the area. The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Автор(ы): Vanyushin, G.P

9. Statistical problems in krill stock hydroacoustic assessments

   applied to establish biomass in a survey area and the second is the improvement in accuracy of target ... -strength measurements. In the case of statistical methods, there are no clear guidelines for deciding what ... does not invalidate the use of available methods to conduct surveys and analyze results. In the case of ... to be not the absolute amount of biomass present in an area, but rather how it is distributed. The ... assessments of krill. The first is the methods applied to establish biomass in a survey area and the second ... is the improvement in accuracy of target-strength measurements. In the case of statistical methods ... to conduct surveys and analyze results. In the case of target-strength accuracy, even if the ... biomass present in an area, but rather how it is distributed. The issue of patchy years vs more even ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Автор(ы): Macaulay, M.C.

10. Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion island, 1996/97 and 1997/98: in relation to longline fishing activity

    debris found in association with seabirds at sub-Antarctic Marion Island for the period May 1996 to April ... island, 1996/97 and 1997/98: in relation to longline fishing activity Abstract / Description:  Marine ... 1998 is reported. Standardised searches and incidental finds show a large increase between the 1996/97 ... and the 1997/98 field seasons. Fishing gear increased at a rate 10 times higher than 'other' ... . An assessment of the conservation status of albatrosses. In: Robertson, G. and R. Gales (Eds ... of Wandering Albatross Nests Of the 55 items collected in the three wandering albatross ... -fold increase in the amount of fishing gear collected (Table 2). The proportion of debris originating ... items of fishing gear collected during the 1997/98 season were collected in 25 separate events. All ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Автор(ы): Nel, D.C. and J.L. Nel

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